#ACEF57#ACEF57

#ACEF57 is a very light, vivid yellow-green. Relative luminance 0.712; OKLCH L 87.8% C 0.193 H 129.9°. Best body text is #000000 at 15.24:1 contrast (WCAG AA passes).

Color values

HEX	#ACEF57
RGB	rgb(172, 239, 87)
HSL	hsl(86, 83%, 64%)
HSV	hsv(86, 64%, 94%)
CMYK	cmyk(28%, 0%, 63.6%, 6.3%)
CIE-LAB	lab(87.58, -43.91, 64.62)
CIE-LCH	lch(87.58, 78.13, 124.19°)
OKLab	oklab(87.8% -0.1239 0.1482)
OKLCH	oklch(87.8% 0.193 129.9)
XYZ	xyz(49.5997, 71.1904, 20.1429)
Luminance	0.7119 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.64

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACEF57 #9A57EF

analogous

#EFE657 #ACEF57 #60EF57

triadic

#ACEF57 #57ACEF #EF57AC

tetradic

#ACEF57 #57EFE6 #9A57EF #EF5760

square

#ACEF57 #57EFE6 #9A57EF #EF5760

split-complementary

#ACEF57 #5760EF #E657EF

monochromatic

#70BA12 #90EA1F #ACEF57 #C8F48F #E3FAC7

Accessibility & contrast

On white

1.38

#ACEF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.24

#ACEF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACEF57

15.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACEF57	#FFFFFF	#000000	##000000
##ACEF57	1.00	1.38	15.24	15.24
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.24	21.00	1.00	1.00
##000000	15.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADF44

Deuteranopia (green-blind)

#F0DA63

Tritanopia (blue-blind)

#B0E5D0

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #acef57;
/* rgb */ color: rgb(172, 239, 87);
/* oklch */ color: oklch(87.8% 0.193 129.9);

Tailwind

colors: {
  custom: {
    50: '#c9f48d',
    500: '#acef57',
    950: '#000000',
  },
}

SCSS

$custom: #acef57;
$custom-light: #c9f48d;
$custom-dark: #000000;

JSON

{
  "hex": "#acef57",
  "rgb": {
    "r": 172,
    "g": 239,
    "b": 87
  },
  "hsl": {
    "h": 86.447,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.87798,
    "c": 0.19319,
    "h": 129.9
  },
  "luminance": 0.71192
}

Semantic roles & 50–950 ramp

primary

#ACEF57

secondary

#6D31B9

accent

#06DF66

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #ACEF57

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →